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Ar 5
Anti-freeze/support heaters operation in defrosting mode
0 = activated according to temperature control demand
1 = activated according to temperature control demand and during defrost
cycle
Ar 6
Anti-freeze/support heaters alarm temperature control probe in chiller
mode
0 = disabled
1 = evaporator input
2 = evaporator output 1 / 2
3 = evaporator output 3 / 4
4 = evaporator output 1 / 2 / 3 / 4
5 = evaporator output 1 / 2 / 3 / 4 and common output
Ar 7
Anti-freeze/support heaters temperature control probe in heat pump
mode
0 = disabled
1 = evaporator input
2 = evaporator output 1 / 2
3 = evaporator output 3 / 4
4 = evaporator output 1 / 2 / 3 / 4
5 = evaporator output 1 / 2 / 3 / 4 and common output
Ar 8
Condenser anti-freeze heaters temperature control probe
0 = disabled
1 = common condenser water input probe
2 = common condenser water input probe and condenser input 1 / 2
3 = common condenser water input probe and condenser input 3 / 4
4 = condenser water output probe 1 / 2
5 = condenser water output probe 3 / 4
6 = condenser output 1 / 2 / 3 / 4
7 = condenser output 1 / 2 / 3 / 4 and common output
Ar 9
Determines the evaporator/condenser anti-freeze heaters function if a probe
that is set to control them malfunctions
0 = OFF if the probe malfunctions
1 = ON if the probe malfunctions
Ar 10
Determines the anti-freeze heaters operation when the device is in chiller or
heat pump mode.
0 = always OFF (chiller and h.p.)
1 = ON only in chiller mode, depending on the temperature control
request
2 = ON only in h.p. mode, depending on the temperature control request
3 = ON in chiller and h.p. mode, depending on the temperature control
request
Ar 11
Determines the evaporator/condenser anti-freeze heaters operation
depending on the remote Off Stand-by mode
0 = Always OFF
1 = ON via temperature control
Parameter
Description
dF 1
Defrost mode:
0 = defrost disabled
1 = temperature / pressure
2 = starts according to the value of parameter dF28 and ends according
to the time
3 = starts according to the value of parameter dF28 and ends due to an
external contact
4 = with a condensation fan
dF 2
Defrost begins by temperature/pressure
dF 3
Defrost ends by temperature/pressure
dF 4
Minimum defrost duration
dF 5
Maximum defrost duration
dF 6
Defrost delay between two circuits
dF 7
Idle time in compressor OFF mode before defrosting
dF 8
Idle time in compressor OFF mode after defrosting
dF 9
Defrost interval in the same circuit
dF 10
Defrosting cycle start temperature setting together with circuit 1 after the
count of parameter dF09 elapses
dF 11
Defrosting cycle start temperature setting together with circuit 2 after the
count of parameter dF09 elapses
dF 12
Defrosting cycle start temperature setting together with circuit 3 after the
count of parameter dF09 elapses
1592025050 iProChill v2.5 10D00 AG v1.3 GB 18.02.2016.docx
Defrost
0
1
0
5
0
5
0
7
0
1
0
3
0
1
min
max
um
Resolution
0
4
-50.0
110
°C
-58
230
°F
0.0
50.0
bar
0
725
psi
-50.0
110
°C
-58
230
°F
0.0
50.0
bar
0
725
psi
0
250
Sec
1
250
Min
0
250
Min
0
250
Sec
0
250
Sec
1
99
Min
-50.0
110
°C
-58
230
°F
-50.0
110
°C
-58
230
°F
-50.0
110
°C
-58
230
°F
iProCHILL
Dec
int
Dec
Int
Dec
int
Dec
Int
Dec
Int
Dec
Int
Dec
Int
135/205
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